Purpurite and Turquoise Physical Properties
Tenacity
Not Available
Not Available
Solubility
Not Available
Soluble
Durability
Not Available
Not Available
Specific Gravity
3.2-3.4
2.30-2.90
Fracture
Uneven, UnevenArthur Thomas, Gemstones (2009), Brittle
Conchoidal, ConchoidalArthur Thomas, Gemstones (2009), Brittle
Cleavage
[100] [001] perfect
Good to perfect_usually N/A
Chemical Composition
MnPO 4Walter Schumann , Gemstones of the world (2001) More from other references
CuAl6(PO4)4(OH)8 • 4H2O
Purpurite and Turquoise Chemical Formula
While comparing Purpurite and Turquoise physical properties, the important data you should know is its chemical composition. Since chemical formula defines the molecular structure of the crystal, most of the physical properties like color, tenacity, solubility are governed by Purpurite and Turquoise chemical formula.
- Chemical formula of Purpurite- MnPO 4Walter Schumann , Gemstones of the world (2001) More from other references
- Chemical formula of Turquoise- CuAl6(PO4)4(OH)8 • 4H2O
Purpurite and Turquoise Specific Gravity
Another important criteria for qualitative analysis of gemstones is Purpurite and Turquoise Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Purpurite and Turquoise Optical Properties during the identification of gemstone. Specific gravity of Purpurite is 2.30-2.90 whereas that of Turquoise is 2.30-2.90.